removedFields = true
	}
	fields.List = list[0:j]
	return
}

func filterCompositeLit(lit *CompositeLit, filter Filter, export bool) {
	n := len(lit.Elts)
	lit.Elts = filterExprList(lit.Elts, filter, export)
	if len(lit.Elts) < n {
		lit.Incomplete = true
	}
}

func filterExprList(list []Expr, filter Filter, export bool) []Expr {
	j := 0
	for _, exp := range list {

				goto Error
			}
			if len(e.Elts) == 0 {
				break
			}
			// Convention for error messages on invalid struct literals:
			// we mention the struct type only if it clarifies the error
			// (e.g., a duplicate field error doesn't need the struct type).
			fields := utyp.fields
			if _, ok := e.Elts[0].(*ast.KeyValueExpr); ok {
				// all elements must have keys

	case *ast.FuncLit:
		buf.WriteByte('(')
		WriteExpr(buf, x.Type)
		buf.WriteString(" literal)") // shortened

	case *ast.CompositeLit:
		WriteExpr(buf, x.Type)
		buf.WriteByte('{')
		if len(x.Elts) > 0 {
			buf.WriteString("…")
		}
		buf.WriteByte('}')

	case *ast.ParenExpr:
		buf.WriteByte('(')
		WriteExpr(buf, x.X)
		buf.WriteByte(')')

	case *ast.SelectorExpr:
		WriteExpr(buf, x.X)

  def visit_Constant(self, node):
    return node.value

  def visit_keyword(self, node):
    return node.arg, self.visit(node.value)

  def visit_List(self, node):
    return [self.visit(cst) for cst in node.elts]

  def visit_arguments(self, node):
    return [self.visit(arg) for arg in node.args]

  def visit_FunctionDef(self, node):
    # TODO(fengliuai): create one utility method to match different apis and

        nouts = node.args[6].value
        # TODO(mdan): Look at the actual types out of if_body.
        side_effects = {
            qual_names.QN(n.value): {TFRTypes.TENSOR}
            for n in node.args[5].elts[:nouts]
        }
        return {type(None)}, side_effects

      if name == QN(QN('ag__'), attr='for_stmt'):
        assert isinstance(node.args[2], ast.Name)

	// If there are key/value pairs, create a map to keep seen
	// keys so we can check for duplicate indices.
	var indices map[int64]bool
	for _, elt := range elts {
		if elt.Op() == ir.OKEY {
			indices = make(map[int64]bool)
			break
		}
	}

	var key, length int64
	for i, elt := range elts {
		ir.SetPos(elt)
		r := elts[i]

					for _, e := range n.Elts {
						if kv, ok := e.(*ast.KeyValueExpr); ok {
							if typeof[kv.Key] == "" {
								typeof[kv.Key] = kt
							}
							if typeof[kv.Value] == "" {
								typeof[kv.Value] = vt
							}
						}
					}
				}
			}
			if typ := cfg.Type[t]; typ != nil && len(typ.Field) > 0 { // struct
				for _, e := range n.Elts {
					if kv, ok := e.(*ast.KeyValueExpr); ok {

	case *Ellipsis:
		if n.Elt != nil {
			Walk(v, n.Elt)
		}

	case *FuncLit:
		Walk(v, n.Type)
		Walk(v, n.Body)

	case *CompositeLit:
		if n.Type != nil {
			Walk(v, n.Type)
		}
		walkList(v, n.Elts)

	case *ParenExpr:
		Walk(v, n.X)

	case *SelectorExpr:
		Walk(v, n.X)
		Walk(v, n.Sel)

	case *IndexExpr:
		Walk(v, n.X)
		Walk(v, n.Index)

	case *IndexListExpr:
		Walk(v, n.X)

			}
		}
	}
}

// checkCopyLocksCompositeLit detects lock copy inside a composite literal
func checkCopyLocksCompositeLit(pass *analysis.Pass, cl *ast.CompositeLit) {
	for _, x := range cl.Elts {
		if node, ok := x.(*ast.KeyValueExpr); ok {
			x = node.Value
		}
		if path := lockPathRhs(pass, x); path != nil {

	case *ast.BasicLit:
	case *ast.FuncLit:
		walkBeforeAfter(&n.Type, before, after)
		walkBeforeAfter(&n.Body, before, after)
	case *ast.CompositeLit:
		walkBeforeAfter(&n.Type, before, after)
		walkBeforeAfter(&n.Elts, before, after)
	case *ast.ParenExpr:
		walkBeforeAfter(&n.X, before, after)
	case *ast.SelectorExpr:
		walkBeforeAfter(&n.X, before, after)
	case *ast.IndexExpr:
		walkBeforeAfter(&n.X, before, after)